SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('0fce603dbb75ca2900c8bf513410a083','0','3.14.142.115','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714885672','board.php?boardid=320&sid=8f7f568c6f7aaa2294f904493346a597','0','0','')
mysql error: Duplicate entry '0fce603dbb75ca2900c8bf513410a083' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 07:07
Script: /board.php?boardid=320&sid=8f7f568c6f7aaa2294f904493346a597
Referer: http://wehrbauten.de/board.php?boardid=320&sid=8f7f568c6f7aaa2294f904493346a597